地壳抬升可使油气藏盖层毛细管封闭能力增强，压力和烃浓度封闭能力减弱；
Crust uplift can increase the capillary sealing ability of caprock and decrease the pressure and hydrocarbon concentration of caprock.
大厚度盖层毛细管封闭能力强，易形成异常孔隙流体压力和抑制浓度封闭作用。
The caprock with big thickness owns strong capillary sealing ability, can form abnormal pore fluid pressure and the restraining hydrocarbon concentration sealing.
异常孔隙流体压力可使盖层毛细管封闭能力增强，可使盖层形成抑制封闭作用，使断层具封闭性。
Abnormal pore fluid pressure can enhance capillary sealing ability of caprock and the restraining hydrocarbon concentration sealing ability making faults form sealing.
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